1 3 2m m 2 3 July 8, 2019 16 32 64 128 3m 2m 1 )-( m 3 )( m 2 3 2x 1 2m 2 m 3 0 2m 3 2 m 1 3 3m 8 4 − 1 2 − 3 2m m 4 )+ 3m 1 3x 3 mx 2 2m 1 x m 2 X 3 2m 1 x 2 3 m 4 xm 12 0 1 2 3 m